memcmp_pages

函数名称：memcmp_pages

函数原型：int memcmp_pages(struct page *page1, struct page *page2)

返回类型：int

参数：

类型	参数	名称
struct page *	page1
struct page *	page2

907

addr1等于kmap_atomic(page1)

908

addr2等于kmap_atomic(page2)

909

ret等于memcmp(addr1, addr2, PAGE_SIZE)

910

Prevent people trying to call kunmap_atomic() as if it were kunmap()* kunmap_atomic() should get the return value of kmap_atomic, not the page.(addr2)

911

Prevent people trying to call kunmap_atomic() as if it were kunmap()* kunmap_atomic() should get the return value of kmap_atomic, not the page.(addr1)

912

返回:ret

**调用者**
名称	描述
stable_tree_search	stable_tree_search - search for page inside the stable tree* This function checks if there is a page inside the stable tree* with identical content to the page that we are scanning right now
stable_tree_insert	stable_tree_insert - insert stable tree node pointing to new ksm page* into the stable tree.* This function returns the stable tree node just allocated on success,* NULL otherwise.
unstable_tree_search_insert	stable_tree_search_insert - search for identical page,* else insert rmap_item into the unstable tree.* This function searches for a page in the unstable tree identical to the* page currently being scanned; and if no identical page is found in the

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码